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          Hexo使用异常
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              <time title="创建时间：2020-03-22 13:17:31 / 修改时间：13:56:39" itemprop="dateCreated datePublished" datetime="2020-03-22T13:17:31+08:00">2020-03-22</time>
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            <p>用于收集Hexo博客使用的异常情况，以及解决方法</p>
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<!-- hexo clean && hexo g && hexo d -->

<hr>
<h2 id="Cannot-read-property-‘replace’-of-null"><a href="#Cannot-read-property-‘replace’-of-null" class="headerlink" title="Cannot read property ‘replace’ of null"></a>Cannot read property ‘replace’ of null</h2><p>在使用<code>hexo s</code>命令来预览时，可以进入主界面，但点击文章无响应<br>报错内容如下</p>
<figure class="highlight powershell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br></pre></td><td class="code"><pre><span class="line">E:\Desktop\hexo&gt;hexo s</span><br><span class="line">INFO  Start processing</span><br><span class="line">INFO  Hexo is running at http://localhost:<span class="number">4000</span> . Press Ctrl+C to stop.</span><br><span class="line">ERROR Render HTML failed: <span class="number">2020</span>/<span class="number">03</span>/<span class="number">21</span>/微生物学/微生物学_第<span class="number">1</span>章_原核生物的形态、构造和功能/index.html</span><br><span class="line">TypeError: Cannot read property <span class="string">'replace'</span> of null</span><br><span class="line">    at Hexo.externalLinkFilter (E:\Desktop\hexo\node_modules\hexo\lib\plugins\filter\after_render\external_link.js:<span class="number">22</span>:<span class="number">15</span>)</span><br><span class="line">    at Hexo.tryCatcher (E:\Desktop\hexo\node_modules\bluebird\js\release\util.js:<span class="number">16</span>:<span class="number">23</span>)</span><br><span class="line">    at Hexo.&lt;anonymous&gt; (E:\Desktop\hexo\node_modules\bluebird\js\release\method.js:<span class="number">15</span>:<span class="number">34</span>)</span><br><span class="line">    at Promise.each.filter (E:\Desktop\hexo\node_modules\hexo\lib\extend\filter.js:<span class="number">62</span>:<span class="number">52</span>)</span><br><span class="line">    at tryCatcher (E:\Desktop\hexo\node_modules\bluebird\js\release\util.js:<span class="number">16</span>:<span class="number">23</span>)</span><br><span class="line">    at Object.gotValue (E:\Desktop\hexo\node_modules\bluebird\js\release\reduce.js:<span class="number">166</span>:<span class="number">18</span>)</span><br><span class="line">    at Object.gotAccum (E:\Desktop\hexo\node_modules\bluebird\js\release\reduce.js:<span class="number">155</span>:<span class="number">25</span>)</span><br><span class="line">    at Object.tryCatcher (E:\Desktop\hexo\node_modules\bluebird\js\release\util.js:<span class="number">16</span>:<span class="number">23</span>)</span><br><span class="line">    at Promise._settlePromiseFromHandler (E:\Desktop\hexo\node_modules\bluebird\js\release\promise.js:<span class="number">547</span>:<span class="number">31</span>)</span><br><span class="line">    at Promise._settlePromise (E:\Desktop\hexo\node_modules\bluebird\js\release\promise.js:<span class="number">604</span>:<span class="number">18</span>)</span><br><span class="line">    at Promise._settlePromiseCtx (E:\Desktop\hexo\node_modules\bluebird\js\release\promise.js:<span class="number">641</span>:<span class="number">10</span>)</span><br><span class="line">    at _drainQueueStep (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">97</span>:<span class="number">12</span>)</span><br><span class="line">    at _drainQueue (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">86</span>:<span class="number">9</span>)</span><br><span class="line">    at Async._drainQueues (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">102</span>:<span class="number">5</span>)</span><br><span class="line">    at Immediate.Async.drainQueues [<span class="type">as</span> <span class="type">_onImmediate</span>] (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">15</span>:<span class="number">14</span>)</span><br><span class="line">    at runCallback (timers.js:<span class="number">705</span>:<span class="number">18</span>)</span><br><span class="line">    at tryOnImmediate (timers.js:<span class="number">676</span>:<span class="number">5</span>)</span><br><span class="line">    at processImmediate (timers.js:<span class="number">658</span>:<span class="number">5</span>)</span><br><span class="line">Unhandled rejection TypeError: Cannot read property <span class="string">'replace'</span> of null</span><br><span class="line">    at Hexo.externalLinkFilter (E:\Desktop\hexo\node_modules\hexo\lib\plugins\filter\after_render\external_link.js:<span class="number">22</span>:<span class="number">15</span>)</span><br><span class="line">    at Hexo.tryCatcher (E:\Desktop\hexo\node_modules\bluebird\js\release\util.js:<span class="number">16</span>:<span class="number">23</span>)</span><br><span class="line">    at Hexo.&lt;anonymous&gt; (E:\Desktop\hexo\node_modules\bluebird\js\release\method.js:<span class="number">15</span>:<span class="number">34</span>)</span><br><span class="line">    at Promise.each.filter (E:\Desktop\hexo\node_modules\hexo\lib\extend\filter.js:<span class="number">62</span>:<span class="number">52</span>)</span><br><span class="line">    at tryCatcher (E:\Desktop\hexo\node_modules\bluebird\js\release\util.js:<span class="number">16</span>:<span class="number">23</span>)</span><br><span class="line">    at Object.gotValue (E:\Desktop\hexo\node_modules\bluebird\js\release\reduce.js:<span class="number">166</span>:<span class="number">18</span>)</span><br><span class="line">    at Object.gotAccum (E:\Desktop\hexo\node_modules\bluebird\js\release\reduce.js:<span class="number">155</span>:<span class="number">25</span>)</span><br><span class="line">    at Object.tryCatcher (E:\Desktop\hexo\node_modules\bluebird\js\release\util.js:<span class="number">16</span>:<span class="number">23</span>)</span><br><span class="line">    at Promise._settlePromiseFromHandler (E:\Desktop\hexo\node_modules\bluebird\js\release\promise.js:<span class="number">547</span>:<span class="number">31</span>)</span><br><span class="line">    at Promise._settlePromise (E:\Desktop\hexo\node_modules\bluebird\js\release\promise.js:<span class="number">604</span>:<span class="number">18</span>)</span><br><span class="line">    at Promise._settlePromiseCtx (E:\Desktop\hexo\node_modules\bluebird\js\release\promise.js:<span class="number">641</span>:<span class="number">10</span>)</span><br><span class="line">    at _drainQueueStep (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">97</span>:<span class="number">12</span>)</span><br><span class="line">    at _drainQueue (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">86</span>:<span class="number">9</span>)</span><br><span class="line">    at Async._drainQueues (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">102</span>:<span class="number">5</span>)</span><br><span class="line">    at Immediate.Async.drainQueues [<span class="type">as</span> <span class="type">_onImmediate</span>] (E:\Desktop\hexo\node_modules\bluebird\js\release\async.js:<span class="number">15</span>:<span class="number">14</span>)</span><br><span class="line">    at runCallback (timers.js:<span class="number">705</span>:<span class="number">18</span>)</span><br><span class="line">    at tryOnImmediate (timers.js:<span class="number">676</span>:<span class="number">5</span>)</span><br><span class="line">    at processImmediate (timers.js:<span class="number">658</span>:<span class="number">5</span>)</span><br></pre></td></tr></table></figure>

<h3 id="解决思路"><a href="#解决思路" class="headerlink" title="解决思路"></a>解决思路</h3><p>通过搜索引擎寻找相关报错解决方案例如：<a href="https://www.jianshu.com/p/449accb044b4" target="_blank" rel="noopener">简书一方案</a><br>但我从未修改Hexo站点中的该配置项目,多次尝试无果</p>
<figure class="highlight yml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># URL</span></span><br><span class="line"><span class="comment">## If your site is put in a subdirectory, set url as 'http://yoursite.com/child' and root as '/child/'</span></span><br><span class="line"><span class="attr">url:</span> <span class="string">http://yoursite.com</span></span><br><span class="line"><span class="attr">root:</span> <span class="string">/</span></span><br><span class="line"><span class="attr">permalink:</span> <span class="string">:year/:month/:day/:title/</span></span><br><span class="line"><span class="attr">permalink_defaults:</span></span><br><span class="line"><span class="attr">pretty_urls:</span></span><br><span class="line">  <span class="attr">trailing_index:</span> <span class="literal">true</span> <span class="comment"># Set to false to remove trailing 'index.html' from permalinks</span></span><br><span class="line">  <span class="attr">trailing_html:</span> <span class="literal">true</span> <span class="comment"># Set to false to remove trailing '.html' from permalinks</span></span><br></pre></td></tr></table></figure>

<p>于是我尝试将我修改的Next主题的配置文件替换成默认配置，发现不报错了<br>于是乎问题缩小到了Next主题配置文件中</p>
<h3 id="解决方法"><a href="#解决方法" class="headerlink" title="解决方法"></a>解决方法</h3><p>通过推测很有可能是插件出现了问题<br>于是在配置文件中将安装使用的插件部分关闭，再尝试运行<code>hexo s</code></p>
<p>很快找到了问题插件</p>
<figure class="highlight yml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># Related popular posts</span></span><br><span class="line"><span class="comment"># Dependencies: https://github.com/tea3/hexo-related-popular-posts</span></span><br><span class="line"><span class="attr">related_posts:</span></span><br><span class="line">  <span class="attr">enable:</span> <span class="literal">false</span></span><br><span class="line">  <span class="attr">title:</span> <span class="comment"># Custom header, leave empty to use the default one</span></span><br><span class="line">  <span class="attr">display_in_home:</span> <span class="literal">false</span></span><br><span class="line">  <span class="attr">params:</span></span><br><span class="line">    <span class="attr">maxCount:</span> <span class="number">5</span></span><br><span class="line">    <span class="comment">#PPMixingRate: 0.0</span></span><br><span class="line">    <span class="comment">#isDate: false</span></span><br><span class="line">    <span class="comment">#isImage: false</span></span><br><span class="line">    <span class="comment">#isExcerpt: false</span></span><br></pre></td></tr></table></figure>

<p>通过重新安装该插件，问题顺利解决。</p>
<h3 id="原因分析"><a href="#原因分析" class="headerlink" title="原因分析"></a>原因分析</h3><p>问题造成的原因很可能是我在使用npm来安装插件，因为安装插件失败，于是我就将安装的插件卸载，导致其他插件的依赖收到了影响。</p>

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